a-be a-ha aaaa aaab aaae aaah aaar aaba aabb aabh aabt aaea aaha aara aare aart aata aatt abaa abab abae abar abat abb- abba abbb abbe abbr abbt abee aber abet abha abhr abra abta aeer aer- aera aeta aetr aett ahab ahah ahar ahat ahet ahha ahra ahre ahrr ahta ahte arab arae arah arar arat arba arbe arbh area aree areh aret arh- arr- arra arre arrh arrr arrt arta arte arth artr at-t ataa atab atae atar atat atea atee ater atha athe atra atre atta atte attr baaa baah baar baat baba babb babe babr baer baha bahr baht bar- bara barb bare barh barr bart bata bate bath batt bbbb bbeb bbet beah bear beat beba bebb bebe beeb beer beet behr bera bere berr bert beta bete beth bett bhar bhat bher bhet bhra bhrt brab brae brah brat brea breb bree brer bret brrr btaa btrt bttb eaba eabh eara earb eare earh eart eata eate eath ebba ebbr eber eeea eeee eera eeta eete eeth ehaa ehea eheh eher ehre ehte erat erba erbb erbe ereb erer eret erra erre erta erth etah etat etbr etee eter eth- etha ethe etra etre etta ette haab haar haat haba habe habt haet haha haht hara hare harh harr hart hata hatb hate hath hatt hbar heah hear heat hebb hebe hebr heeb heer heet hehe hera herb here herr hert heta hete heth hett hhaa hhat hhhh hree hrta hrtb hrte htab htea htet htra httr raab raat raba rabb rabe raer raha rahe rahr raht rara rarb rare rata rate rath ratt rbbb rbbr rea- reae rear reat reba rebb rebe reeb reet reha rehb rehe reht rera rere rert reta rete reth retr rett rhae rhea rheb rhee rhet rrah rrat rrrr rtee taa- taar taat taba tabb tabe taer taha tahe tahr tara tarb tare tarr tart tata tatb tate tath tatr tatt tbar tbrb tbta tear teat teba teer teet tehr ter- tera tere terr teta tete teth tetr tett thaa thae thar that the- thea theb thee ther thet thra thre thtb thtr traa trab trae trat tre- trea tree tret trra trte trtr ttab ttbb tter tttt